Fluoride Mine

Past Producer in Juab county in Utah, United States with commodities Fluorine-Fluorite, Uranium, Beryllium
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Production statistics
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10020430
MRDS ID DC13215
Record type Site
Current site name Fluoride Mine
Alternate or previous names Original Spar
Related records 10203303

Geographic coordinates

Geographic coordinates: -113.17443, 39.71577 (WGS84)
Elevation 1674
Relative position 1 1/2 MILES NE OF USMM IN SEC. 10

Site location context

Political divisions (FIPS codes)

Juab(county)

Utah(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Topaz Mountain West(quadrangle 1:24,000 scale)

Fish Springs(quadrangle 1:100,000 scale)

Delta(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Southern Great Salt Lake Desert(hydrologic unit)

Great Salt Lake(hydrologic accounting unit)

Great Salt Lake(hydrologic subregion)

Great Basin(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management UT)

Bureau of Land Management UT BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Utah Juab

Public Land Survey System information

Meridian Township Range Section Fraction State
Salt Lake 013S 012W 02 Utah

Comments on the location information

  • SECTION SUBDIVISIONS SE 1/4 SW 1/4 SE 1/4

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Uranium Tertiary
Beryllium Critical Tertiary

Comments on the commodity information

  • CHIEF IMPURITIES ARE MONTMORILLONITE, CREAM COLORED DOLOMITE & QUARTZ

Materials information

Materials Type of material
Bertrandite Gangue

Alteration

  • (Local) Clay Alteration

Analytical data

Result BETWEEN 1944-1948 AVG. CAF2 CONTENT WAS 77.5%. THE FIRST CARLOAD IN 1944 CONTAINED 95% CAF2, & 1% SIO2. 1948-1951 AVG. 85.4% CAF2 SURFACE SAMPLE (1964) = .008% U3O8, .021% U3O8, .025% U3O8, 49.5% CAF2 UPPER ADIT LEVEL (1964) = .015% U3O8, 66.8% CAF2 1951: .015%, .005% U3O

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Por. Rhyolitic Member Of Spor Mtn Formation;Umio Stratified Tuff Member Of Topaz Mtn. Rhyolite
    Rock description Por. Rhyolitic Mbr. Of Spor Mtn Formation;Umio Stratified Tuff Mbr Of Topaz Mtn. Rhyolite
    Stratigraphic age (youngest) Miocene
    Stratigraphic age (youngest) Miocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite
    Rock unit name Fluoride Dolomite;Fish Haven Dolomite
    Rock description Fluoride Dolomite;Fish Haven Dolomite

Nearby scientific data

(1) -113.17443, 39.71577

Economic information

Geologic structures

Type of structure Regional
Structure description Basin & Range
Type of structure Local
Structure description An East Trending Fault That Dips 60 Deg. S. And Truncates The Fluoride Pipe.

Ore body information

  • General form PIPE-LIKE
    Plunge 77 DEG
    Plunge direction S32E

Controls for ore emplacement

  • Along Pipes And Veins In Favorable Replacement Carbonates & In Brecciated Fault Zones

Comments on the geologic information

  • THE 130 FT LONG UPPER ADIT INTERSECTS THE ORE PIPE 40 FT BELOW THE SURFACE. THE LOWER ADIT 275 FT LONG, CUTS THE DEPOSIT APROX. 80 FT BELOW THE SURFACE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Discovery year 1941
Discoverer George P. Spor (Delta, Ut)
Year of first production 1944

Mining district

District name Spor Mtn-Thomas Range

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner-Operator
    Owner Spar, Chad and Ray
    Home office Delta, Ut.

Production statistics

  • Year 1956
    Period 1944-1956
    Accuracy Accurate
    Description Cp_Grade: ^Ave. 85% Caf2, 2% Sio2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CaF2 Ore Fluorine-Fluorite Fluorine 85wt-pct

Comments on the workings information

  • WORKINGS CONSIST OF A LARGE OPEN PIT, AN INCLINE SHAFT, A VERTICAL SHAFT, AND 2 HAULAGE ADITS

Comments on development

  • THE FLUORIDE MINE WAS THE FIRST MINE TO BE OPERATED IN THE DISTRICT

Reference information

Bibliographic references

  • Analytical Data

    SRC.REF: USGS PP 415

  • Deposit

    BULLOCK, K.C., 1976, FLUORITE OCCURRENCES IN UTAH: UTAH GEOL. & MINERAL SURVEY BULL. 110

  • Deposit

    STAATZ, M.H., & OSTERWALD, F.W., 1959, GEOLOGY OF THE THOMAS RANGE FLUORSPAR DISTRICT, JUAB COUNTY: USGS BULL. 1069

  • Deposit

    STAATZ, M.H., AND CARR, W.J., 1964, GEOLOGY AND MINERAL DEPOSITS OF THE THOMAS & DUGWAY RANGES, JUAB-TOOELE CO., UT: USGS PP 415

  • Deposit

    STAATZ, M.H., AND WILMARTH, V.R., & BAUER, H.L., JR., 1951, RADIOACTIVE FLUORITE IN THE THOMAS RANGE, JUAB CO., UT: USGS TEI # 136, 88 P.

  • Deposit

    COCHRAN, K.L., 1952, FLUORSPAR RESOURCES OF CALIFORNIA, NEVADA, UTAH, IDAHO, AND COLORADO ADJACENT AND TRIBUTARY TO FACILITIES OF THE UNION PACIFIC RAILROAD COMPANY: UNION AND PACIFIC RAILROAD COMPANY, LOS ANGLES, CALIFORNIA, 78 P.

  • Deposit

    1951 DIREXPL US AEC TEI-136

  • Deposit

    1959 RECON STAATZ, USGS BULL. 1069

  • Deposit

    1964 RECON STAATZ, USGS PP 415

  • Deposit

    1979 GEOLMAP LINDSEY, D.A., USGS MAP-I-1176

  • Production

    STAATZ, 1964, BULLOCK, 1976

General comments

Subject category Comment text
Deposit BEDROCK QUARTZITE STRIKES N30E & DIPS 29 DEG. NW. THE FLUORSPAR PIPE IS OVAL SHAPED & ELONGATED TO THE NW, MEASURING 100 FT LONG & 40 FT WIDE ; INFO.SRC : 3 FIELD OBSERV

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1974 Unknown U.S. Geological Survey
Updater 01-MAR-1980 Everts, Mike L. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.